Which policy recommends a forest cover of 33 percent for the plains and 67 percent for the hills?

The National Forest Policy of India , 1988

At the beginning of the twentieth century, forests covered about 30 per cent of the land of India.

By the end of the century, it shrunk to 21.54 per cent, whereas the National Forest Policy (1988) of India has recommended 33 per cent forest cover for the plains and 67 per cent for the hills.